Increased Standard Deduction. If you are age 65 and donât itemize deductions on your tax return, the standard deduction is increased. As of the 2013 tax year, the extra deduction was $1,500 for taxpayers filing as single or head of household.
Best Answer: 1.A hormone is a chemical and a nerve message is an electrical impulse. 2. A hormone affects target organs and a nerve message affects the receiver. 3. A hormone travels through the blood and a nerve message through a nerve. 4.A hormone has long-lasting effects and a nerve message has very short term effects. 5. A hormone is secreted by a gland, a nerve message is initiated by a response to an exterior alteration. hormone has long-lasting effects and a nerve message has very short term effects. 5. A hormone is secreted by a gland, a nerve message is initiated by a response to an exterior alteration.
To produce the fight-or-flight response, the hypothalamus activates two systems: the sympathetic nervous system and the adrenal-cortical system. The sympathetic nervous system uses nerve pathways to initiate reactions in the body, and the adrenal-cortical system uses the bloodstream. The combined effects of these two systems are the fight-or-flight response. When the hypothalamus tells the sympathetic nervous system to kick into gear, the overall effect is that the body speeds up, tenses up and becomes generally very alert. If there's a burglar at the door, you're going to have to take action -- and fast.